CN201774450U - Thyristor triggering device of magnetic control reactor - Google Patents
Thyristor triggering device of magnetic control reactor Download PDFInfo
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- CN201774450U CN201774450U CN2010202678651U CN201020267865U CN201774450U CN 201774450 U CN201774450 U CN 201774450U CN 2010202678651 U CN2010202678651 U CN 2010202678651U CN 201020267865 U CN201020267865 U CN 201020267865U CN 201774450 U CN201774450 U CN 201774450U
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- thyristor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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Abstract
The utility model relates to a thyristor triggering device of a magnetic control reactor, which comprises a magnetic control reactor, a thyristor connected with the magnetic control reactor, a resistance-capacitance protection circuit connected with the thyristor, a voltage power extraction circuit connected with the resistance-capacitance protection circuit, a current sensor and a current power extraction circuit, wherein the current sensor is respectively connected with the magnetic control reactor and the cathodes of the thyristor and is also connected with the current power extraction circuit that is arranged on a trigger panel. The current power extraction circuit is connected with a voltage-stabilizing circuit, the voltage-stabilizing circuit is connected with a trigger return unit, and the trigger return unit is connected with the cathode and the control electrode of the thyristor and is also connected with a control module through a trigger optical fiber and a return optical fiber. On the basis of the voltage power extraction, a current power extraction function is added, thereby improving the stability and reliability of the system greatly, and prolonging the service life of the system.
Description
Technical field
The utility model relates to a kind of thyristor trigger equipment of magnet controlled reactor, is applied to industries such as electric power, railway, wind-powered electricity generation, colliery and metallurgy.
Background technology
Magnet controlled reactor (MCR) is to change magnet controlled reactor by control module to control the degree of saturation that the direct current of winding comes level and smooth change magnet controlled reactor magnetic circuit, thereby changes the induction reactance and the capacity of magnet controlled reactor.Its voltage range is between 6KV to 500KV, major function is: improve power factor, reduce voltage fluctuation, systems stabilisation voltage, keep function such as system's reactive balance, magnet controlled reactor use in parallel with Shunt Capacitor Unit, thus realize reactive power dynamic compensation.
The control winding of magnet controlled reactor is by a direct tap of winding, adopts the self coupling rectification to obtain required control direct current, and thyristor and diode all directly are in high potential, so difficulty is all compared in its transmission that triggers obtaining of power supply and trigger impulse.For a change above-mentioned defective has adopted following method: 1) adopt pulse transformer to isolate triggering; Its shortcoming is: volume is big, poor anti jamming capability, and easily false triggering influences the reliability of system; 2) by increasing assist control winding mode; Shortcoming is: not only increase magnet controlled reactor volume and cost, also increase reactor operation power consumption; 3) adopting voltage to get can trigger board, and the defective of this mode is: when the trigger range of the trigger angle of control system increased, voltage was got can be not enough the time, and trigger board has reduced the stability and the reliability of electric power system with regard to cisco unity malfunction.
Summary of the invention
The purpose of this utility model provides a kind of thyristor trigger equipment of magnet controlled reactor, and this device is got on the basis of energy at voltage, has increased the current energy-taking function, has improved the stability and the reliability of system greatly, long service life.
For achieving the above object, the utility model is achieved through the following technical solutions:
The thyristor trigger equipment of magnet controlled reactor; comprising that magnet controlled reactor, the thyristor that is connected with magnet controlled reactor, the rc protection circuit that is connected with thyristor, the voltage that is connected with rc protection circuit are got can circuit; comprise that also current sensor, current energy-taking circuit, current sensor are connected with the negative electrode of magnet controlled reactor, thyristor respectively; current sensor connects the current energy-taking circuit, and the current energy-taking circuit is arranged on the trigger board.
Described current energy-taking circuit connects voltage stabilizing circuit, and the voltage stabilizing circuit connection triggers report unit, triggers report unit and is connected with the control utmost point with the negative electrode of thyristor, and be connected with control module with repayment optical fiber by triggering optical fiber.
Compared with prior art, the beneficial effects of the utility model are:
1) get can circuit comprise voltage get can and current energy-taking, when the voltage no current that initially powered on, then adopting voltage to get can, but when voltage is got can be lower than current energy-taking the time, then adopt current energy-taking, guaranteed the stability of system power supply like this, guaranteed the reliability of trigger impulse output.
2) for guaranteeing that circuits for triggering reliably trigger thyristor, to avoid the thyristor false triggering and cause the fault of magnet controlled reactor dynamic reactive compensation device, these circuits for triggering have disposed the triggering report unit; After finishing powering on back time-delay a period of time, the output trigger impulse makes every part of magnet controlled reactor dynamic reactive compensation device can both reliability service.
3) have higher job stability and reliability, it is low to trigger energy consumption, long service life; Circuit power is stable, and communication, transmission signal, trigger impulse each several part signal all adopt the optical fiber transmission, the signal strong interference immunity.
Description of drawings
Fig. 1 is the structural representation of the thyristor trigger equipment of magnet controlled reactor;
Fig. 2 is the trigger board theory diagram of the thyristor trigger equipment of magnet controlled reactor;
Fig. 3 is the trigger board embodiment theory diagram of the thyristor trigger equipment of magnet controlled reactor;
Embodiment
See Fig. 1; the thyristor trigger equipment of magnet controlled reactor; the symmetrically arranged thyristor 2 that comprise magnet controlled reactor 1, is connected with magnet controlled reactor 1 and thyristor 3, the rc protection circuit 4 that is connected with thyristor 2, the rc protection circuit 5 that is connected with thyristor 3, the voltage that is connected with rc protection circuit 4 are got can circuit 9, and the voltage that is connected with rc protection circuit 5 is got can circuit 10.
This device with the special feature of prior art is: comprise that also current sensor 6, current energy-taking circuit 11, current energy-taking circuit 12, current energy-taking circuit 11 are connected with L5, the L6 lead-in wire of current sensor, current energy-taking circuit 12 is connected with L7, the L8 lead-in wire of current sensor.
The L1 of current sensor, L2 lead-in wire is connected with the tap K1 of magnet controlled reactor 1, the negative electrode of thyristor 2 respectively; The L3 of current sensor, L4 lead-in wire is connected with the tap K3 of magnet controlled reactor 1, the negative electrode of thyristor 3 respectively.The anode of thyristor 2 connects the K2 tap and the rc protection circuit 4 of magnet controlled reactor 1; The anode of thyristor 3 connects the K4 tap and the rc protection circuit 5 of magnet controlled reactor 1.
Current energy-taking circuit 11 connects voltage stabilizing circuit 15, and voltage stabilizing circuit 15 connections trigger report unit 13, triggers report unit 13 and is connected with the control utmost point with the negative electrode of thyristor 2, and be connected with control module with repayment optical fiber 18 by triggering optical fiber 17.
Current energy-taking circuit 12 connects voltage stabilizing circuit 16, and voltage stabilizing circuit 16 connects triggering report unit 14, triggers report unit 14 and is connected with the negative electrode of thyristor 3, and be connected with control module with repayment optical fiber 19 by triggering optical fiber 20.
Current energy-taking circuit 11, voltage are got can circuit 9, trigger report unit 13, voltage stabilizing circuit 15 is arranged on the trigger board 7; Current energy-taking circuit 12, voltage are got can circuit 10, trigger report unit 14, voltage stabilizing circuit 16 is arranged on the trigger board 8.
See Fig. 2, trigger report unit and comprise trigger impulse output circuit, pulse receiving circuit, repayment change-over circuit, delay protection circuit that the trigger impulse output circuit connects pulse receiving circuit, repayment change-over circuit respectively, reaches the delay protection circuit.
See Fig. 3, described delay protection circuit comprises capacitor C 1, resistance R 6, triode Q3, diode D6, relay K A1, capacitor C 1 one end ground connection, the other end is connected with the base stage of triode Q3, resistance R 6 one ends are connected with the base stage of triode Q3, the other end is connected with+5V power supply, the collector electrode of triode Q3 be connected with+5V power supply; The emitter of triode Q3 connects the coil of relay K A1, and the reverse parallel connection of the coil of relay K A1 and diode D6.
Voltage is got and can be comprised rectifier bridge D1, voltage-stabiliser tube V1, resistance R 1, triode Q1, diode D3 by circuit, and rectifier bridge D1 input is connected with an end, the emitter of triode Q1, the voltage stabilizing circuit of resistance R 1 respectively; Rectifier bridge D1 output is connected with an end, the collector electrode of triode Q1, the diode D3 of voltage-stabiliser tube V1 respectively; The other end of the base stage of the other end of voltage-stabiliser tube V1, triode Q1, resistance R 1 links together.After voltage is got and can circuit be got energy from the resistance capaciting absorpting circuit of thyristor valve; through rectifier bridge D1; become direct voltage; become direct voltage through voltage-stabiliser tube V1, resistance R 1 and triode Q1; be connected to voltage stabilizing circuit through the diode D3 that is connected in series in the circuit; wherein diode D3 plays the reverse current protection effect, and the anti-voltage that flows to is got in the energy when preventing the current energy-taking overtension.
The current energy-taking circuit comprises rectifier bridge D2, resistance R 4, resistance R 5, voltage-stabiliser tube V2, resistance R 2, triode Q2, resistance R 3, light-emitting diode D5, diode D4, the input of rectifier bridge D2 is connected with an end, the emitter of triode Q2, the end of light-emitting diode D5, the voltage stabilizing circuit of resistance R 4 respectively, resistance R 4 is with after resistance R 5 is connected, and is in parallel with rectifier bridge D2 input; The output of rectifier bridge D2 is connected with the end of voltage-stabiliser tube V2, the collector electrode of triode Q2, an end of resistance R 3, the end of diode D4 respectively; The other end of the base stage of the other end of voltage-stabiliser tube V2, triode Q2, resistance R 2 links together; The other end of light-emitting diode D5 is connected with the other end of resistance R 3.
After the current energy-taking circuit is got energy from the current energy-taking coil of thyristor; resistance R 4 and R5 series connection back are in parallel with the input of rectifier bridge D2; current signal is become voltage signal; through rectifier bridge D2; become direct voltage; through voltage-stabiliser tube V2; resistance R 2 and triode Q3 become direct voltage; be connected in parallel between the collector electrode and emitter of triode Q2 after resistance R 3 and the luminous tube D5 series connection; be connected to rectification circuit through diode D4; wherein diode D4 plays the reverse current protection effect; prevent that voltage from getting counter flowing in the current energy-taking can overtension the time, current energy-taking is by luminous tube D5 indication.
See Fig. 2, Fig. 3, voltage is got and can be connected to thyristor and rc protection circuit by the IN1 binding post by circuit, the current energy-taking circuit is connected to current sensor by the IN2 binding post, voltage get can circuit and the current energy-taking circuit through the voltage stabilizing circuit output+10V that triggering report unit ,+5V, 0V voltage, for entire circuit provides power supply, pulse input optical signal HR1 is through pulse receiving circuit input trigger impulse output circuit, and the trigger impulse output circuit also is connected with delay protection circuit, repayment change-over circuit simultaneously; Simultaneously trigger impulse is outputed to lead-out terminal OUT, deliver to thyristor again.
Claims (4)
1. the thyristor trigger equipment of magnet controlled reactor; comprising that magnet controlled reactor, the thyristor that is connected with magnet controlled reactor, the rc protection circuit that is connected with thyristor, the voltage that is connected with rc protection circuit are got can circuit; it is characterized in that; comprise that also current sensor, current energy-taking circuit, current sensor are connected with the negative electrode of magnet controlled reactor, thyristor respectively; current sensor connects the current energy-taking circuit, and the current energy-taking circuit is arranged on the trigger board.
2. the thyristor trigger equipment of magnet controlled reactor according to claim 1, it is characterized in that, described current energy-taking circuit connects voltage stabilizing circuit, voltage stabilizing circuit connects the triggering report unit, trigger report unit and be connected with the control utmost point, and be connected with control module with repayment optical fiber by triggering optical fiber with the negative electrode of thyristor.
3. the thyristor trigger equipment of magnet controlled reactor according to claim 1 and 2, it is characterized in that, described current energy-taking circuit comprises rectifier bridge D2, resistance R 4, resistance R 5, voltage-stabiliser tube V2, resistance R 2, triode Q2, resistance R 3, light-emitting diode D5, diode D4, the input of rectifier bridge D2 is connected with an end, the emitter of triode Q2, the end of light-emitting diode D5, the voltage stabilizing circuit of resistance R 4 respectively, resistance R 4 is with after resistance R 5 is connected, and is in parallel with rectifier bridge D2 input; The output of rectifier bridge D2 is connected with the end of voltage-stabiliser tube V2, the collector electrode of triode Q2, an end of resistance R 3, the end of diode D4 respectively; The other end of the base stage of the other end of voltage-stabiliser tube V2, triode Q2, resistance R 2 links together; The other end of light-emitting diode D5 is connected with the other end of resistance R 3;
Voltage is got and can be comprised rectifier bridge D1, voltage-stabiliser tube V1, resistance R 1, triode Q1, diode D3 by circuit, and rectifier bridge D1 input is connected with an end, the emitter of triode Q1, the voltage stabilizing circuit of resistance R 1 respectively; Rectifier bridge D1 output is connected with an end, the collector electrode of triode Q1, the diode D3 of voltage-stabiliser tube V1 respectively; The other end of the base stage of the other end of voltage-stabiliser tube V1, triode Q1, resistance R 1 links together.
4. the thyristor trigger equipment of magnet controlled reactor according to claim 2, it is characterized in that, described triggering report unit comprises trigger impulse output circuit, pulse receiving circuit, repayment change-over circuit, delay protection circuit, and the trigger impulse output circuit connects pulse receiving circuit, repayment change-over circuit respectively, reaches the delay protection circuit; The delay protection circuit comprises capacitor C 1, resistance R 6, triode Q3, diode D6, relay K A1, capacitor C 1 one end ground connection, the other end is connected with the base stage of triode Q3, resistance R 6 one ends are connected with the base stage of triode Q3, the other end is connected with+5V power supply, the collector electrode of triode Q3 be connected with+5V power supply; The emitter of triode Q3 connects the coil of relay K A1, and the reverse parallel connection of the coil of relay K A1 and diode D6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202678651U CN201774450U (en) | 2010-07-22 | 2010-07-22 | Thyristor triggering device of magnetic control reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202678651U CN201774450U (en) | 2010-07-22 | 2010-07-22 | Thyristor triggering device of magnetic control reactor |
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| CN201774450U true CN201774450U (en) | 2011-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202678651U Expired - Fee Related CN201774450U (en) | 2010-07-22 | 2010-07-22 | Thyristor triggering device of magnetic control reactor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983580A (en) * | 2012-11-16 | 2013-03-20 | 广东中钰科技有限公司 | Intelligent mixed type high-pressure dynamic reactive compensation device |
| CN104319789A (en) * | 2013-01-23 | 2015-01-28 | 苏州工业园区和顺电气股份有限公司 | Electric reactor for electric power |
| CN104466975A (en) * | 2013-01-23 | 2015-03-25 | 苏州工业园区和顺电气股份有限公司 | High-reliability compensation reactor |
| CN109412480A (en) * | 2018-11-14 | 2019-03-01 | 西北农林科技大学 | A kind of improvement device and method of brushless excitation generator demagnetization characteristic |
| CN114362629A (en) * | 2021-12-30 | 2022-04-15 | 上海电机学院 | Energy-saving control system for cage type asynchronous motor |
-
2010
- 2010-07-22 CN CN2010202678651U patent/CN201774450U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983580A (en) * | 2012-11-16 | 2013-03-20 | 广东中钰科技有限公司 | Intelligent mixed type high-pressure dynamic reactive compensation device |
| CN102983580B (en) * | 2012-11-16 | 2014-12-31 | 广东中钰科技有限公司 | Intelligent mixed type high-pressure dynamic reactive compensation device |
| CN104319789A (en) * | 2013-01-23 | 2015-01-28 | 苏州工业园区和顺电气股份有限公司 | Electric reactor for electric power |
| CN104466975A (en) * | 2013-01-23 | 2015-03-25 | 苏州工业园区和顺电气股份有限公司 | High-reliability compensation reactor |
| CN104319789B (en) * | 2013-01-23 | 2016-08-17 | 苏州工业园区和顺电气股份有限公司 | Power reactor |
| CN104466975B (en) * | 2013-01-23 | 2017-01-11 | 苏州工业园区和顺电气股份有限公司 | High-reliability compensation reactor |
| CN109412480A (en) * | 2018-11-14 | 2019-03-01 | 西北农林科技大学 | A kind of improvement device and method of brushless excitation generator demagnetization characteristic |
| CN109412480B (en) * | 2018-11-14 | 2023-09-19 | 西北农林科技大学 | Device and method for brushless excitation generator de-excitation characteristics |
| CN114362629A (en) * | 2021-12-30 | 2022-04-15 | 上海电机学院 | Energy-saving control system for cage type asynchronous motor |
| CN114362629B (en) * | 2021-12-30 | 2023-08-29 | 上海电机学院 | Cage type asynchronous motor energy-saving control system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110323 Termination date: 20150722 |
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| EXPY | Termination of patent right or utility model |